package com.ncp.servlet.registerlogin;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LogoutServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		HttpSession session = request.getSession(false); //防止创建Session
		if(session == null){
			request.getRequestDispatcher("/pages/registerlogin/logout.jsp").forward(request, response);
		}
		session.removeAttribute("LoginName");
		request.getRequestDispatcher("/pages/registerlogin/logout.jsp").forward(request, response);
	}

}
